• 

  Angus Huang

  • 8 days ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: MOTOR Can not workable

  Part Number: DRV8870 Hi Sir /Madam I use the chip of DRV8870 , and connect my motor as picture, but it can not workable (don't run, just a little noise) motor no. RS-380ph power supply , 7.5V 2A Pls help to check it, thanks
• 

  Chris Jones21

  • 2 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: Driving a single brushless DC motor from two DRV8870 in parallel

  • Resolved

  Part Number: DRV8870 We are using the DRV8870 driver in our design. We are running into the thermal
• 

  BERNARDO SOLA

  • 3 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: DRV8870

  • Resolved

  Part Number: DRV8870 In a new Project we are developing we are using DRV8870 Motor Driver from
• 

  Lars Petersson

  • 3 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: Motor stops running after >24h

  TI Thinks Resolved

  Part Number: DRV8870 Hi! I'm using the DRV8870 to drive the following DC motor (picture inserted below). I have an issue where the motor stops running after it has been running for a long time (>24h). I have looked at the load the motor is driving...
• 

  Holly Gu

  • 4 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: Current at block

  TI Thinks Resolved

  Part Number: DRV8870 Hi Team, We use DRV8870, Rsense = 0.36, Vref = 2.5V, target current limit is 700mA. SCH is as below. But when the motor is blocked and keep blocking there, the current waveform measured @J5 is as below. Very confused why the...
• 

  Pei Gong

  • 4 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: DRV8870 IC OUT1/OUT2 Pin over spec

  TI Thinks Resolved

  Part Number: DRV8870 Hi As we can see from our datasheet, the Absolute maximum ratings of Pin OUT1 and OUT2 should be greater than -0.7V, but we found it less than -0.7V during test(waveform as below), could you please recommend how long DRV8870 can...
• 

  Hector Jing

  • 5 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: Jittered Output and Lower Output Voltage

  • Resolved

  Part Number: DRV8870 Hi Team, When the coil load is driven by DRV8870 which I bought from TI Store
• 

  Tsukui Yusuke

  • 5 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: About driving motors connected in parallel

  • Resolved

  Part Number: DRV8870 Hi, Customer is trying to connect a motor in parallel to the output
• 

  Gabriel Xu

  • 5 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: Abnormal Output Waveform During COAST Status

  Part Number: DRV8870 Hi teams My customer encounters some problems with DRV8870. The application details are listed below:( I didn't obtain the schematic from the customer) Schematic/Configuration: IN+ connected with MCU GPIO and IN- connected...
• 

  Hector Jing

  • 6 months ago
  • Motor drivers
  • Motor drivers forum

  DRV8870: Current Formula in Fast Decay Mode

  TI Thinks Resolved

  Part Number: DRV8870 Hi team, When the device works in slow current decay, both low-side FETs are enabled, and the current circuit loop is approximateto a LR discharge circuit，and the current decay formula related to the off-time and load is: where...

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